fix: fix db bug

src/main/kotlin/cn/rtast/fancybot/commands/niuzi/NiuziRankCommand.kt

@@ -14,16 +14,6 @@ import cn.rtast.rob.util.BaseCommand
 import cn.rtast.rob.util.ob.MessageChain
 import cn.rtast.rob.util.ob.OneBotListener
 
-
-private suspend fun getUserInfo(listener: OneBotListener, groupId: Long, userId: Long): String {
-    try {
-        val info = listener.getGroupMemberInfo(groupId, userId)
-        return info.card ?: info.nickname
-    } catch (_: NullPointerException) {
-        return userId.toString()
-    }
-}
-
 class NiuziRankCommand : BaseCommand() {
     override val commandNames = listOf("牛子排行榜")
 
@@ -31,8 +21,7 @@ class NiuziRankCommand : BaseCommand() {
         val allNiuzi = niuziManager.getAllNiuzi().sortedBy { it.length }.reversed()
         val msg = MessageChain.Builder().addText("牛子长度排行榜如下").addNewLine()
         allNiuzi.forEach {
-            val userName = getUserInfo(listener, message.groupId, it.userId)
-            msg.addText("[$userName] | ${it.length}cm").addNewLine()
+            msg.addText("[${it.nickname}] | ${it.length}cm").addNewLine()
         }
         message.reply(msg.build())
     }
@@ -46,8 +35,7 @@ class NiuziBankRankCommand : BaseCommand() {
             .sortedBy { it.balance }.reversed()
         val msg = MessageChain.Builder().addText("牛子银行富豪榜排行如下").addNewLine()
         allNiuziBankAccounts.forEach {
-            val userName = getUserInfo(listener, message.groupId, it.userId)
-            msg.addText("[$userName] | ${it.balance}cm").addNewLine()
+            msg.addText("[${it.nickname}] | ${it.balance}cm").addNewLine()
         }
         message.reply(msg.build())
     }